why we use star and delta connection?why we donot give the
supply directly?
Answer Posted / sivakumar
first answer is two or three fluxs(torqres) are required for the to rotate the motor and to produce emf in the generator that why we r using three winding connected like star and delta.but single phase motors also used in small applications .and second answer is to reduce the stating speed of the motor .
| Is This Answer Correct ? | 4 Yes | 6 No |
Post New Answer View All Answers
How you calculate the repturing capacity of a HRC fuse
how is positive, negative, zero sequence is happen.. how is effect on 3 phase system
iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?
If we connect a motor and generator together (I mean that the generator gives the motor electricity and the motor gives the generator movement) regardless the losses. Will the generator still generate and the motor still move?
what is the profesional board for electrical engineer what is thepast and during construction for electrical engineering
what is meant by flywheel and its role in retardation test
The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input
will 1050kva DG set withstand for back charge of 16MVA transformer
What Normal(Tangent) towers and Tension(Cut-point) Towers?
What kind of preventive maintenance are there for transformer?
Why do we need interlocking in a HT metering or Ring main unit switchgear?
how to control dc motor?
why surge protectetor work explain with the help of circut diagram?
What the formula for calculating no.of earthings & size of earth strip for 100mX90m shop.
What is different between resistance grounding system and resistance earthing system?